64865540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1783}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 145660032

約数和(自身を除く): 80794492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1783, 1819, 2140, 3566, 3638, 7132, 7276, 8915, 9095, 17830, 18190, 30311, 35660, 36380, 60622, 121244, 151555, 190781, 303110, 381562, 606220, 763124, 953905, 1907810, 3243277, 3815620, 6486554, 12973108, 16216385, 32432770, 64865540]

約数ペア:

[(1, 64865540), (2, 32432770), (4, 16216385), (5, 12973108), (10, 6486554), (17, 3815620), (20, 3243277), (34, 1907810), (68, 953905), (85, 763124), (107, 606220), (170, 381562), (214, 303110), (340, 190781), (428, 151555), (535, 121244), (1070, 60622), (1783, 36380), (1819, 35660), (2140, 30311), (3566, 18190), (3638, 17830), (7132, 9095), (7276, 8915)]